In the second paragraph "if we take two unrelated people at random from the population..."
A.pick up any two persons
B.choose two persons who are relatives
C.take out two different persons
D.choose two persons with different intelligence
A.pick up any two persons
B.choose two persons who are relatives
C.take out two different persons
D.choose two persons with different intelligence
A.were interrupted
B.was interrupting
C.had interrupted
D.had been interrupted
A.The book is worth reading a second time.
B.The book is worth to read a second time.
C.The book is worth read a second time.
In the second paragraph "straight" means ______.
A.continuously
B.honestly
C.alone
D.not curved
During the Second World War Hitler______many countries.
A.intruded
B.invaded
C.surrendered
D.challenged
The word "immersed" in the second paragraph means“______”.
A. lifted
B. raised
C. rose
D. under water
A.structure
B. educate
C. direction
D. instruction
A.In addition to
B.In addition
C.except
D.but
The word "levels" in the second paragraph means ______.
A.groups, classes
B.degrees, standards
C.music, art
D.beginning, start
A.First
B.Second
C.Third
D.Fourth